19953466

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 34247808

約数和(自身を除く): 14294342

約数列:

[1, 2, 13, 23, 26, 46, 61, 122, 299, 547, 598, 793, 1094, 1403, 1586, 2806, 7111, 12581, 14222, 18239, 25162, 33367, 36478, 66734, 163553, 327106, 433771, 767441, 867542, 1534882, 9976733, 19953466]

約数ペア:

[(1, 19953466), (2, 9976733), (13, 1534882), (23, 867542), (26, 767441), (46, 433771), (61, 327106), (122, 163553), (299, 66734), (547, 36478), (598, 33367), (793, 25162), (1094, 18239), (1403, 14222), (1586, 12581), (2806, 7111)]